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US 6,635,272 B2Granted
Wound dressing and drug delivery system
OwnerRichard N. Leadermaninventor
Life of this patent
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OwnerRichard N. Leadermaninventor
Estimating the term…
A dressing and method of treating wounds is provided. The dressing can comprise water-soluble or swellable polymers capable of forming viscous aqueous or non-aqueous solution and form a gel, and which may be dehydrated and milled to form a powder. The dressing can be constructed in the form of a sponge or sheet impregnated with the gel, or may contain a tooth-whitener, and may be coated onto a non-porous, porous or micro-porous backing. Wounds treated with dressings in accordance with embodiment of the invention will tend to heal without the formation of a typical hard scab. The dressing may also be covered with a protective coating such as a cyanoacrylic liquid or spray, or may be attached to a backing such as an adhesive bandage to protect the wound from an excessively fluids environment and from mechanical stresses.
A method of treating a wound with a dressing material, comprising:
A dressing for treating wounds comprising the dehydrated form of a gel formed from a biocompatable polymer and water, said dehydrated gel in the form of a foam sheet or a powder that will adhere to tissue at a wound site, promote healing of a wound-covered by the dressing and help protect the wound from infection, said dehydrated gel being attached to an backing, said backing being attached to said wound area.
A wound dressing comprising the acid form of polycarbophil in the form of a gel, foam or powder.
A method of treating a wound with a dressing material, comprising:
Dependencies are inferred from the claim text.